Surf Forecasts:
Kennebunk Beach surf forecast from 19 Aug 2026:
- Most powerful swell: Tuesday 18 Aug, 11PM (local time) - 3.5ft (1.0m), 8s period, SE swell with 129 kJ wave energy.
Best Forecast Surf Conditions for Kennebunk Beach this week:
The most powerful waves expected at Kennebunk Beach in the next 16 days are 1.0m 8s and forecast to arrive on Tuesday (Aug 18) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Aug 23) at 11AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11PM (Tue 18th Aug) | 3.5ft (1.0m) 8s |
Table - best surf conditions forecast for Kennebunk Beach over the next 16 days.
The Lowdown
Alright, let’s talk about the next couple of weeks, and I’ll be straight with you: it’s gonna be a flat spell. There’s hardly any surf on offer, and most of the time it’s not going to be worth the paddle out.
The water is sitting around 67°, which is a bit warmer than usual for this time of year, so that’s one small comfort.
Right now, and for the next week or so, we’re looking at tiny, weak surf. There’s minimal energy in the water, with wave energy readings in the 60s to 90s (74 to 98), and most of it isn't directed at us. The swell heights are pretty much stuck at less than 3ft, with periods all over the place. You’ll see some clean windows, especially Thursday morning the 21st when it’s dead glassy, and Sunday the 23rd with a clean offshore wind, but the waves are just too small and weak to get excited about. It’s flat, plain and simple.
The gap between any real surf options is long. We’re looking at over a week of this stuff. Don’t get your hopes up for the weekend either; it’s not happening.
There is one bright spot, and it’s a long way off. Around Saturday the 29th, we finally see a little bump in energy. The swell comes up a touch to 3ft from the SE with a poor 7-second period. Still, the combined energy climbs to 139 (moderate) and the wind is offshore, keeping things clean. It’s surfable, but it’s ordinary. The same goes for Sunday afternoon the 30th. Don’t expect much, but it’s something to paddle for.
The final day of the forecast, Wednesday the 2nd of September, shows a spike in energy to 227 (moderate) with a 2ft swell, but it’s from the ESE with a long 14-second period. The wind is light and glassy in the morning, which will be clean, but that long period for a beach break can make it a bit weird.
Look, honest truth is, this isn’t a time for high hopes. Kennebunk Beach is fairly consistent but this run is just poor. The first solid window we really have is that Saturday the 29th, and it’s still nothing to write home about. I'd say it’s the closest thing to a highlight, but it’s more about getting wet than getting good waves. It’s a clean, small, and weak setup, so if you’re a beginner, this might be your window. For everyone else, it’s a grovel-fest.
Keep an eye on it, but don’t hold your breath. Forecasts can change, and this coast can turn on a dime.
Rusty
Short Range ForecastMostly dry. Warm (max 25°C on Wed afternoon, min 18°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 6mm), mostly falling on Mon morning. Warm (max 23°C on Fri afternoon, min 15°C on Sun morning). Wind will be generally light. | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SE 9 | SE 8 | SE 7 | SE 7 | SSE 6 | SE 8 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 12 | E 5 | SE 12 | SE 12 | SE 11 | SE 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 64 | 86 | 35 | 45 | 95 | 67 | 42 | 39 | 45 | 44 | 35 | 35 | 23 | 21 | 15 | 23 | 35 | 34 | 32 | 30 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | glassy | cross-on | on | cross-on | cross | off | off | cross-off | off | cross-off | cross | on |
High Tide | 4:12PM2.79m | 4:45AM2.46m | 5:01PM2.69m | 5:42AM2.32m | 5:55PM2.61m | 6:41AM2.23m | 6:52PM2.56m | 7:42AM2.20m | 7:51PM2.56m | 8:41AM2.23m | 8:47PM2.61m | 9:34AM2.30m | 9:39PM2.69m | |||||||
Low Tide | 10:30PM0.26m | 10:42AM0.42m | 11:27PM0.36m | 11:35AM0.56m | 00:28AM0.44m | 12:33PM0.65m | 1:31AM0.46m | 1:33PM0.67m | 2:31AM0.44m | 2:31PM0.64m | 3:25AM0.38m | 3:24PM0.56m | 4:11AM0.30m | |||||||
 |  |  | |  |  | | | | | | | | | | |  |  | | | |
 | — | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — |
 | 7:40 | — | — | 7:38 | — | — | 7:37 | — | — | 7:36 | — | — | 7:34 | — | — | 7:32 | — | — | 7:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | 3 | — |
Temp °C | 21 | 19 | 23 | 25 | 24 | 22 | 23 | 22 | 22 | 23 | 20 | 20 | 21 | 19 | 17 | 17 | 15 | 16 | 18 | 17 |
Feels °C | 21 | 20 | 24 | 24 | 25 | 22 | 20 | 23 | 21 | 19 | 17 | 18 | 18 | 18 | 14 | 15 | 16 | 17 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 8 | SE 7 | SE 7 | SSE 6 | SE 8 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | SSE 5 | E 5 | E 5 | SSE 7 | SSE 7 | SSE 7 |
| kJ | 64 | 86 | 28 | 45 | 65 | 67 | 42 | 39 | 45 | 44 | 35 | 35 | 23 | 21 | 10 | 23 | 8 | 25 | 29 | 30 |
Swell 2 Height (m) Direction Period (s) | SE 5 | — | SE 8 | SE 9 | SE 8 | — | — | S 4 | SE 15 | — | — | SE 13 | SE 13 | ESE 12 | ESE 7 | SSE 6 | SSE 6 | ESE 7 | ESE 6 | ESE 6 |
| kJ | 10 | — | 35 | 21 | 18 | — | — | 1 | 8 | — | — | 7 | 7 | 15 | 9 | 8 | 12 | 21 | 16 | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | SSE 7 | — | — | — | — | E 15 | E 15 | SE 14 | SE 14 | SE 13 | SE 9 | SE 9 | ESE 12 | ESE 12 | SE 12 | SE 12 | SE 11 | SE 11 |
| kJ | — | — | 5 | — | — | — | — | 4 | 4 | 8 | 8 | 7 | 3 | 3 | 15 | 14 | 35 | 34 | 32 | 30 |
Wind waves Height (m) Direction Period (s) | — | — | — | SSE 2 | SSE 6 | — | SW 3 | N 3 | N 3 | — | — | — | — | ESE 2 | ENE 4 | NNE 4 | — | — | — | — |
| kJ | — | — | — | 1 | 95 | — | 2 | 3 | 2 | — | — | — | — | 1 | 22 | 5 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 231 | 11 | 54 | 49 | 11 | 11 | 158 | 11 | 11 | 2545 | 11 | 873 | 919 | 369 | 1554 | 919 | 235 | 54 | 11 | 11 |
Best forecast wave conditions in Maine | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Kennebunk Beach Surf forecast
The above surf forecast table for Kennebunk Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kennebunk Beach can be found by selecting the local surf guide option on the grey menu. Our Kennebunk Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kennebunk Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Kennebunk Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Kennebunk Beach is 17 km (11 miles) from Biddeford. If you plan a vacation in Maine, look for hotels and other accommodation in Biddeford. Biddeford has rooms for a wide range of budgets as well as car hire and transport links.
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